Update README.md

Author: Nikolaos-Matthaiakakis

README.md

@@ -8,3 +8,7 @@ When using MNPBEM GUI please reference the work according to http://physik.uni-g
 and acknowledge the use of the MNPBEM-GUI and the GUI author's code (Nikolaos Matthaiakakis) in the acknowledgement section.
 
 For more information about MNPBEM-GUI please read the user manual that can be found in the help subdirectory.
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+To avoid pathing errors, once downloaded, rename the MNPBEM_GUI-master folder to simply MNPBEM_GUI
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+This is a first release of the GUI so further improvements will be included in future releases.